87-Fr-201
- Atomic Mass: 201.0039860 ± 0.0003800 amu
- Excess Mass: 3713.000 ± 354.000 keV
- Binding Energy: 1550558.000 ± 354.000 keV
- Spin: (9/2-)
- Half life: 48 MS ( 31.2500 % )
- Mode of decay: Alpha to At-197
- Mode of decay: Electron capture to Rn-201
- Branch ratio: < 1.00
- Decay energy: 7.900 MeV
Element Fr